[특허]Accumulator engine

Accumulator engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16D-031/02 F15B-021/04
출원번호	US-0429616 (1995-04-27)
발명자 / 주소	Gray Jr. Charles L. (Pinckney MI) Hellman Karl H. (Ann Arbor MI)
출원인 / 주소	The United States of America as represented by the Administrator of the Environmental Protection Agency (Washington DC 06)
인용정보	피인용 횟수 : 89 인용 특허 : 0

초록 ▼

A hydropneumatic powertrain includes a fluidic driver connected in parallel with first and second liquid tanks connected, respectively, with first and second gas vessels. The gas within each gas vessel is in fluid communication with the liquid within the corresponding liquid vessel. A prime mover drives a pump to pump liquid alternately into one of the two liquid tanks connected in parallel with the pump. Switch valving directs the discharge of the pump to either the first liquid tank or the second liquid tank, while the liquid tank not receiving liquid from the pump discharge is discharging its liquid, driven by expansion of gas within the corresponding gas vessel, to drive the fluidic driver which, in turn, drives the drive wheels of the vehicle. Each gas tank is equipped with a heater and a cooler whereby the gas vessel, in the compression portion of the cycle, is cooled while the other gas vessel is heated for expansion of the gas contained therein. Thus, the fluidic driver can be continuously driven by alternating discharges from the two liquid tanks.

대표청구항 ▼

A pneumatic/hydraulic accumulator heat engine for providing rotating shaft power/work from any source of available heat comprising: fluidic drive means for providing rotating shaft power; first and second liquid tanks, connected in parallel with said fluidic drive means, for alternately (1) discharging liquid to drive said fluidic drive means and (2) receiving liquid; a pump driven by said fluidic drive means, said first and second liquid tanks being connected in parallel to said pump; valve switch means for directing discharge of said pump to said first liquid tank while directing discharge of liquid from said second liquid tank through said fluidic drive means and for switching to direct discharge of said first liquid tank through said fluidic drive means while directing discharge of said pump to said second liquid tank; a first gas vessel containing a gas in fluid communication with liquid in said first liquid tank, whereby discharge of liquid from said pump into said first liquid tank compresses the gas contained in said first gas vessel; a second gas vessel containing a gas in fluid communication with liquid in said second liquid tank, whereby discharge of liquid from said pump into said second liquid tank compresses the gas contained in said second gas vessel; first and second heating means for heating, respectively, the gas in said first and second gas vessels; first and second cooling means for cooling, respectively, the gas in said first and second gas vessels; and control means for operating said first heating means to heat the gas in said first gas vessel, to expand the gas contained therein to displace liquid from said first liquid tank, while operating said second cooling means to cool the gas in second gas vessel during compression of the gas contained therein by liquid pumped into said second liquid tank and for switching operation of said first and second cooling means and said first and second heating means to cool the gas in said first gas vessel while heating the gas in said second gas vessel.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Accumulator engine 원문보기

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Accumulator engine 원문보기

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